Specifications:Average weight - 70.4g,Press-Fit BB shell width - 86mm,Bike Type - Comfort,Hollowtech II BB Type - Press-Fit,Press-Fit BB Shell Width - 86mm.
Key Features:Outboard Bottom bracket bearing cups for use with 2-piece cap-free design road chainsetsMinimal bearing interface gives superbly smooth rollingEasy installationBritish thread
A good quality bottom bracket for traditional chainsets constructed with super-accurate bearings for smooth operation and improved durability. FEATURES SHIMANO quality/performance cartridge bearing square bottom bracket Better chainline stability with chain line stabilizer 3 structures available Standard E-type chain case options Adapter material: Aluminum PRODUCT SPECIFICATIONS MODEL NO BB-UN300 SERIES TOURNEY A070 Series Remarks * w/ Crank arm fixing screws spec. only ** w/ Crank arm fixing screws spec. is available Structure_Standard ✔ Axle length/shell width (mm)_107_68 (BC1.37) ✔ Axle length/shell width (mm)_LL113_73 (BC1.37) ✔ Axle length/shell width (mm)_D-H_68 (BC1.37) X * Axle length/shell width (mm)_117.5_68 (BC1.37) X ** Axle length/shell width (mm)_XL118_68 (BC1.37) X ** Axle length/shell width (mm)_XL118_73 mm ✔ Axle length/shell width (mm)_D-NL 122_68 (BC1.37) X ** Axle length/shell width (mm)_D-NL 122_73 (BC1.37) X * Axle length/shell width (mm)_D-EL 127_68 (BC1.37) X * Axle length/shell width (mm)_LL123_68 (BC1.37) ✔ Axle length/shell width (mm)_LL123_73 (BC1.37) ✔ Axle length/shell width (mm)_LL113_68 (BC1.37) X ** Axle length/shell width (mm)_MM110_68 (BC1.37) X ** Spindle_Square type ✔
Features:A good quality bottom bracket for traditional chainsets,Super-accurate bearings for smooth operation and improved durability,Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting,Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life,Fast and easy installation without adjustment,Narrow body allows clearance for cable routing under the bottom bracket.
The Shimano BB-UN300 Square Tapered is a good quality bottom bracket for traditional chain sets with super-accurate bearings for smooth operation and improved durability. It uses a maintenance-free sealed cartridge bearing assembly that keeps out dirt, mud, and water for long bearing life.A good quality bottom bracket for traditional chain setsSuper-accurate bearings for smooth operation and improved durabilityDurable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fittingMaintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing lifeFast and easy installation without adjustmentNarrow body allows clearance for cable routing under the bottom bracket
The Shimano BB-UN300 Square Tapered is a good quality bottom bracket for traditional chain sets with super-accurate bearings for smooth operation and improved durability. It uses a maintenance-free sealed cartridge bearing assembly that keeps out dirt, mud, and water for long bearing life.A good quality bottom bracket for traditional chain setsSuper-accurate bearings for smooth operation and improved durabilityDurable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fittingMaintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing lifeFast and easy installation without adjustmentNarrow body allows clearance for cable routing under the bottom bracket
The Shimano BB-UN300 Square Tapered is a good quality bottom bracket for traditional chain sets with super-accurate bearings for smooth operation and improved durability. It uses a maintenance-free sealed cartridge bearing assembly that keeps out dirt, mud, and water for long bearing life.A good quality bottom bracket for traditional chain setsSuper-accurate bearings for smooth operation and improved durabilityDurable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fittingMaintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing lifeFast and easy installation without adjustmentNarrow body allows clearance for cable routing under the bottom bracket
A good quality bottom bracket for traditional chainsets,Super-accurate bearings for smooth operation and improved durability,Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting,Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life,Fast and easy installation without adjustment,Narrow body allows clearance for cable routing under the bottom bracket.
Shimano BB52 Hollow Tech II Bottom Bracket BSA 68/73mm Designed specifically for the 24mm axles of Shimano Hollowtech II chainsets, the BB52 bottom bracket fits frames with a 68 or 73mm bb shell width. A revised design equips the BB52 with improved protection from the elements, meaning its ready to perform no matter the terrain or conditions. Product DetailsTo fit 68 and 73mm bottom bracket shellsThread Type: English Thread (BSA)Axle Compatibility: 24mmUse: Road, Mountain and CitySealed cups prevent water and dirt ingressCompatible with T551, T611, M552, M590, M610. M612, M615. M622, M625, M640 and M645 chainsets.
This Shimano BB71 mountain bike bottom bracket features cups that are made from a fibre reinforced polymer material, which reduces the risk of frame noise and damage. It also comes equipped with sealed cups that keep out dirt and water, making it suitable for all-weather and terrain conditions. Technologies: - Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage. - Set includes left- and right-hand cups, 2.5mm spacer, inner cover, and inner O-rings. - Sealed cups keep out dirt and water. - Maintenance-free. - Compatible with 89.5mm (with 2.5mm spacer) and 92mm shells. - 41mm cup diameter. - 24mm inner bearing diameter. - Easy press-fit installation. - Shimano XT.
Shimano BB71 MTB Press Fit Bottom BracketShimano MTB BB71 press-fit bottom bracket designed to work with HollowTech II MTB cranks. Suitable for MTB bottom bracket shells with a 41mm cup diameter.Features:Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damageSet includes left- and right-hand cups, 2.5mm spacer, inner cover, and inner O-ringsSealed cups keep out dirt and waterMaintenance freeCompatible with 89.5mm (with 2.5mm spacer) and 92mm shells41mm cup diameter24mm inner bearing diameterEasy press-fit installationShimano XT
The cups in this Shimano BB71 road bottom bracket are made from a fibre reinforced polymer material, which reduces the risk of frame noise and damage. It also includes left and right-hand cups, an inner cover, and inner O-rings.